ANSWER 3 QUESTIONS SHOW WORK FOR QUESTIONS 9, AND 10.

Algebra
Tutor: None Selected Time limit: 1 Day

Feb 16th, 2015

8. No solutions

9. No, (-2,3) is not the solution of the system as it doesn't satisfy the 2nd equation (x= y-4)
substituting the value of x=-2 and y=3 we will get,
-2 = 3-4, that is -2=-1 which is not true.

10. Yes, (-2,3) is a solution of the given system, since it satisfies both the equations.
substituting value of x=-2 and y=3 we will get,
-2+3=1, that is 1=1, which is true

Feb 16th, 2015

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Feb 16th, 2015
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Feb 16th, 2015
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